Biodiesel is the only alternative fuel to voluntarily perform EPA Tier I and Tier II testing to quantify emission characteristics and health effects. That study found that B20 (20%
biodiesel blended...

EERL's mission is to be the best possible online collection of environmental and energy sustainability resources for community college educators and for their students. The resources are also available for practitioners and the public.

EERL & ATEEC

EERL is a product of a community college-based National Science Foundation Center, the Advanced Technology Environmental and Energy Center (ATEEC), and its partners.